Diamond & Gem Testing Laboratory (DGTL)
P-210, Strand Bank Road
Near Howrah Bridge, Barabazar
Kolkata - 700 007
West Bengal
Near Howrah Bridge, Barabazar
Kolkata - 700 007
West Bengal
GSM/Mobile: +91 - 8100093593, 9748571132
E-Mail: dgtlkol@gmail.com
Website:www.dgtlkol.com
Diamond & gem testing laboratory. Testing widest variety of gemstones and fine jewelry articles for certification.